Related Clues:
- Morse message
- Help wanted letters
- 'Help!
- Maritime distress call
- Nautical ''Help!''
- One might be received on a bridge
- 'Help wanted' letters
- It may be tapped out at sea
- Signal meaning ''help''
- Worrisome letters to send
- It may go up in smoke
- Flashed message
- Help line?
- Fair-hiring initials
- Want-ad abbr.